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Histones are positively charged due to the presence of many amino acids with positively charged side chains, such as lysine and arginine. This positive charge helps histones interact with the negatively charged DNA by forming electrostatic interactions, allowing for the packaging and organization of DNA into chromatin.

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1y ago

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Why are histones positively charged?

Histones are positively charged because they are rich in basic amino acids such as lysine and arginine. These positively charged amino acids allow histones to interact with the negatively charged DNA, facilitating the binding of DNA around histone proteins to form nucleosomes.


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Histones are small proteins that have a high proportion of positively charged amino acids. They bind to the negatively charged DNA to form nucleosomes, which help in packaging and organizing the DNA into chromatin structure.


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